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Changelog

All notable changes to this library will be documented in this file.

The format is based on Keep a Changelog, and this library adheres to Rust's notion of Semantic Versioning.

[Unreleased]

Changed

MSRV is now 1.56.1.
Bumped dependencies to ff 0.11, group 0.11, bellman 0.11.1, bls12_381 0.6, jubjub 0.8.
zcash_proofs::sapling::SaplingVerificationContext::new now takes a zip216_enabled boolean; this is used to control how RedJubjub signatures are validated.
Renamed the following in zcash_proofs::circuit::sprout to use lower-case abbreviations (matching Rust naming conventions):
- JSInput to JsInput
- JSOutput to JsOutput

Removed

zcash_proofs::sapling::SaplingVerificationContext: Default

[0.5.0] - 2021-03-26

Added

zcash_proofs::ZcashParameters
zcash_proofs::parse_parameters
zcash_proofs::prover::LocalProver::from_bytes
The zcash_proofs::constants module, containing constants and helpers used by the zcash_proofs::circuit::ecc::fixed_base_multiplication gadget:
- The FixedGeneratorOwned type alias.
- generate_circuit_generator
- The six Zcash fixed generators:
  - PROOF_GENERATION_KEY_GENERATOR
  - NOTE_COMMITMENT_RANDOMNESS_GENERATOR
  - NULLIFIER_POSITION_GENERATOR
  - VALUE_COMMITMENT_VALUE_GENERATOR
  - VALUE_COMMITMENT_RANDOMNESS_GENERATOR
  - SPENDING_KEY_GENERATOR
zcash_proofs::sapling::SaplingProvingContext: Default
zcash_proofs::sapling::SaplingVerificationContext: Default

Changed

MSRV is now 1.47.0.
zcash_proofs::load_parameters now returns ZcashParameters.

[0.4.0] - 2020-09-09

Changed

MSRV is now 1.44.1.
Bumped dependencies to ff 0.8, group 0.8, bellman 0.8, bls12_381 0.3.1, jubjub 0.5.1.

Fixed

Performance regressions to Sapling proof creation in 0.3.0 have been partially mitigated by fixes in bellman 0.8.

[0.3.0] - 2020-08-24

TBD

[0.2.0] - 2020-03-13

TBD

[0.1.0] - 2019-10-08

Initial release.